EP1807338A1 - Wind resisting crane securing - Google Patents

Wind resisting crane securing

Info

Publication number
EP1807338A1
EP1807338A1 EP06706735A EP06706735A EP1807338A1 EP 1807338 A1 EP1807338 A1 EP 1807338A1 EP 06706735 A EP06706735 A EP 06706735A EP 06706735 A EP06706735 A EP 06706735A EP 1807338 A1 EP1807338 A1 EP 1807338A1
Authority
EP
European Patent Office
Prior art keywords
cranes
crane
coupling
storm protection
protection according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06706735A
Other languages
German (de)
French (fr)
Other versions
EP1807338B1 (en
Inventor
Hermann Franzen
Jannis Moutsokapas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Demag Cranes and Components GmbH
Original Assignee
Gottwald Port Technology GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gottwald Port Technology GmbH filed Critical Gottwald Port Technology GmbH
Publication of EP1807338A1 publication Critical patent/EP1807338A1/en
Application granted granted Critical
Publication of EP1807338B1 publication Critical patent/EP1807338B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear

Definitions

  • the invention relates to a storm protection for at least two cranes movable in the open on a common crane track on bogies, in particular rail-mounted gantry cranes with holding devices acting on or in the area of the crane runway for preventing the aborting and lifting of the cranes when certain wind speeds are exceeded, at least two adjacent ones Cranes in the area of the chassis can be coupled together.
  • German Patent Application DE 199 13 980 A1 already discloses a crane connection for at least two high cranes in port facilities.
  • This crane connection comprises at least one coupling piece on each crane, via which the cranes can be connected to one another in order to achieve high stability against tipping over in the wind.
  • This type of crane connection should have the advantage of saving central ballasts and guy ropes on the cranes.
  • the cranes are designed as gantry cranes, which are movable on bills on bills.
  • the Coupling pieces are designed as bolt connections with corresponding lugs arranged on the cranes.
  • the coupling pieces are automatically connected to each other.
  • the installation locations for the coupling pieces are indicated below in the area of the landing gear on the portal and / or on the top of the crane.
  • the object of the present invention is to improve a storm protection for cranes, especially for rail-mounted and braked gantry cranes, so that for a set because of high wind speeds out of service crane higher security against abortion and take-off by the wind is achieved.
  • At least two adjacent cranes In the field of trolleys are coupled with each other, an improved storm protection achieved in that above the coupling to the at least two adjacent cranks abutting elements are arranged, which abut each other in the coupled state of at least two adjacent cranes.
  • the cranes coupled to one another abut each other above the coupling via abutment elements.
  • the upper abutment elements which are provided exclusively for the transmission of compressive forces
  • the lower mechanical coupling optimal storm protection of the cranes is achieved, since the wind forces acting on the cranes are passed over the abutment elements in both cranes, especially in their portals , and thus be collected and supported by the chassis of both cranes. It is then important that a simultaneous drifting of the cranes in the area of the chassis is counteracted by the simultaneous mechanical locking in the chassis.
  • An optimization of the storm protection, in particular the management of wind forces in the trolleys, is achieved in that the abutment elements in the upper region of each crane, with gantry cranes preferably in the region of the upper bridge girders, are arranged.
  • the abutment elements are formed in a buffer-like manner with end faces which rest against one another in the mutually coupled state of the at least two adjacent cranes for receiving and passing on compressive forces.
  • According to the invention are as brakes rail brakes or other known aids such as drag shoes, mechanical interlocks, Schienenzan- gene or the like used with which so far individual cranes were secured on the crane track or on the rail.
  • a coupling member is provided for coupling the at least two immediately adjacent to each other, preferably on impact, driven, with which the adjacent cranes are positively connected.
  • at least two of the adjacent, movable on the common crane track cranes are driven so close to each other or on impact against each other that both cranes can be positively connected to a coupling member.
  • This coupling member as soon as the danger of storms is over, can be easily removed again, but connects the two or, if appropriate, with further coupling members, several adjacent cranes as storm protection with one another. The cranes then also have contact in the area of the impact elements.
  • each coupling link connects two coupling pieces with each other, which are fastened to accommodate acting tensile and compressive forces between the adjacent cranes each in the area of the chassis on each crane.
  • the coupling through the tension and compression connection is thus provided in a favorable manner near the ground, where in the chassis area a particularly effective coupling of the cranes is achieved.
  • the coupling pieces are identical, so that a production is simplified and the coupling of the cranes is facilitated because the coupling pieces always match each other.
  • each coupling piece is substantially horizontally and parallel to the crane track so cantilever mounted on the chassis of each crane that can be positively releasably connect to each other opposite free ends of the two coupling pieces.
  • the coupling member is designed double-T-shaped, wherein the web is inserted into recesses in the opposite end faces of the coupling pieces so that the inner sides of the flanges of the coupling member engage corresponding contact surfaces on the wall-like coupling pieces behind.
  • Such trained coupling links are very easy to handle, are easy to insert and just as easy to remove again.
  • FIG. 1 shows a perspective view of two gantry cranes coupled to one another according to the invention
  • Figure 2 is an enlarged detail view of Figure 1 from the range of interconnected trolleys of gantry cranes and
  • Figure 3 is an enlarged detail view of Figure 1 from the range of abutting portal supports the gantry cranes.
  • FIG. 1 shows a perspective view of two according to the invention for storm protection in a parking position coupled together and designed as a gantry cranes 2a and 2b, which are movable on a common crane track 1.
  • Each of the two cranes 2a, 2b is conventionally constructed and consists essentially of the four vertical gantry supports 3a, 3b, the upper ends of which are connected transversely to the direction of travel F of the cranes 2a and 2b bridge girders 9a, 9b to form the portal.
  • a trolley 12a, 12b with the lifting devices arranged thereon can be moved along the bridge girders 9a, 9b.
  • the lower ends of the gantry supports 3a, 3b are each supported on a chassis 6, which roll on rails 1a, 1b of a crane track 1.
  • the rails 1a, 1b in this case run parallel and at a distance from each other.
  • the trolleys 6 each have a plurality of wheels 13 which can be moved on the rails 1a, 1b and which, viewed in the direction of travel F, are arranged one behind the other per chassis 6. which are arranged.
  • the lower end of the respective vertical gantry supports 3a, 3b is supported approximately centrally on the chassis 6, so that the chassis 6 seen in the direction of travel F projects forward or rearward over the gantry support 3a, 3b and thus a front end 14v and a rear end 14h with respect to the respective crane 2a, 2b form.
  • Figure 1 shows the parking position of the two cranes 2a, 2b, which have taken these when due to high wind speeds, the operation of the cranes 2a, 2b had to be set for safety reasons.
  • the cranes 2a and 2b seen in the direction of travel F drove so close behind each other that the two cranes 2a and 2b in the area of their trolleys 6 with their respective front and rear ends 14v, 14h abut each other.
  • the per rail 1a, 1b so abutting trolleys 6 and thus the cranes 2a and 2b are additionally in the region of their front and rear ends 14v, 14h by means of a coupling member 4, which will be described later in connection with Figure 2 in more detail, mechanically connected with each other.
  • the opposing portal supports 3a, 3b adjoin one another in the region of their upper ends adjacent to the bridge girders 9a, 9b. Since, as described above, the undercarriages 6 protrude forwards and rearwards as viewed in the direction of travel F, forming the front and rear ends 14v, 14h with respect to the gantry supports 3a, 3b, buffer-like abutment elements 10a, 10b are provided on the gantry supports 3a, 3b. In the park position, the free ends of the respective abutment elements 10a, 10b touch, but they are not locked together.
  • the abutment elements 10a, 10b are simply formed as pipe sections which extend laterally, horizontally and in the direction of travel F from the portal supports 3a, 3b and whose free end is closed in each case to form an end face 11 (see FIG. 3).
  • the holding devices of both cranes are brought into operation at the same time, for example by activating the rail brakes of each crane 2a, 2b, not shown.
  • FIG. 2 is an enlarged detail view of the detail X of FIG. 1 shown, which shows the area of the coupled chassis 6 of the cranes 2a, 2b in their parking position.
  • a coupling piece 5a or a coupling piece 5b is fixedly arranged on each chassis 6, which form either the front or the rear end 14v, 14h of the respective crane 2a, 2b.
  • the coupling pieces 5a, 5b are each formed as U-shaped steel profiles which protrude parallel to the crane track 1 in the direction of the adjacent crane 2a and 2b via the wheels 13 of the chassis 6.
  • the mutually facing ends 14v, 14h of the U-shaped coupling pieces 5a, 5b are respectively closed with an end wall 7a, 7b.
  • the cantilevered ends 14v, 14h of the coupling pieces 5a, 5b abut each other substantially with their end walls 7a, 7b, so that between the cranks 2a and 2b acting compressive forces on the coupling pieces 5a, 5b between can be transmitted to the cranes 2a and 2b.
  • a coupling element 4 is provided in addition to the adjoining coupling pieces 5a and 5b, which clamps the coupling pieces 5a and 5b together and holds them in abutment.
  • the coupling member 4 is - as seen in Figure 2 - double-T-shaped from a steel sheet and is inserted with its web 4a in a corresponding recess in the two coupling pieces 5a and 5b.
  • This upwardly open recess is provided in a respective end of the coupling piece 5a, 5b end wall 7a, 7b, which forms on the side facing away from the contact surface simultaneously each a contact surface 8a, 8b for the inner sides of the flanges of the double-T-shaped coupling member 4, when these flanges grip the end walls 7a and 7b of the coupling pieces 4 behind.
  • the two cranes 2a and 2b are positively connected with each other and thus offer a much higher security against wind and storm than conventional storm fences individually secured cranes.
  • the free ends of the abutment elements 10a, 10b abut each other with their mutually facing end faces 11, as soon as the coupling pieces 5a and 5b of the trolleys 6 are in contact with each other.
  • the cranes 2 a, 2 b are also supported against one another in the upper area, thereby significantly increasing the standing moment of the cranes 2 a, 2 b in wind and storm.
  • the free ends of the abutment elements 10a, 10b are not locked together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)

Abstract

The invention concerns a wind safety device for at least two outdoor cranes (2a, 2b), able to move by traveling gears (6) on a jointly shared crane track (1), especially track-mounted full gantry cranes, with holding devices engaging at or in the region of the crane track (1) to prevent the cranes (2a, 2b) from lifting up and being pulled away when certain wind speeds are exceeded, and it being possible to join together at least two neighboring cranes (2a, 2b) in the region of the traveling gears (6). In order to achieve greater safety against the lifting up and pulling away of cranes (2a, 2b) taken out of operation due to high wind speeds prevailing, it is proposed that impact elements (10a, 10b) be arranged above the coupling on the at least two neighboring cranes (2a, 2b), lying against each other when the at least two neighboring cranes (2a, 2b) are coupled together.

Description

Sturmsicherung für KraneStorm protection for cranes
Beschreibungdescription
Die Erfindung betrifft eine Sturmsicherung für mindestens zwei im Freien auf einer gemeinsamen Kranfahrbahn über Fahrwerke verfahrbare Krane, insbesondere schienengängige Portalkrane, mit an beziehungsweise im Bereich der- Kranfahrbahn angreifenden Halteeinrichtungen zum Verhindern des Abtreibens und Abhebens der Krane beim Überschreiten bestimmter Windgeschwindigkeiten, wobei mindestens zwei benachbarte Krane im Bereich der Fahrwerke miteinander koppelbar sind.The invention relates to a storm protection for at least two cranes movable in the open on a common crane track on bogies, in particular rail-mounted gantry cranes with holding devices acting on or in the area of the crane runway for preventing the aborting and lifting of the cranes when certain wind speeds are exceeded, at least two adjacent ones Cranes in the area of the chassis can be coupled together.
Nach bestehenden Richtlinien und Normen (beispielsweise DIN 15 019, Teil 1) müssen im Freien arbeitende Krane, ab einer bestimmten Windgeschwindigkeit außer Betrieb gesetzt und gegen Abtreiben und Abheben von der Kranfahrbahn jeweils durch den Wind gesichert werden. Die Windgeschwindigkeit für die Außerbetrieb- nahme hängt von der Bauart des Kranes ab. Vielfältige Halteeinrichtungen für Krane sind bekannt; überwiegend werden Schienenzangen eingesetzt (siehe beispielsweise DD 285 747). Auch werden Hemmschuhe, mechanische Verriegelungen und Schienenbremsen verwendet. Bei der Verwendung von Schienenbremsen wird die zu installierende Bremsleistung unter Berücksichtigung des Rollwiderstands des Schienenfahrwerkes, der effektiven Windangriffsfläche des angeströmten Kranes, dessen Formbeiwerten und dem Staudruck ermittelt. Die Formbeiwerte und der Staudruck werden hierbei unter Heranziehung einer Bezugs-Windgeschwindigkeit in Abhängigkeit vom Einsatzort des Krans bestimmt. Auch kann die zu installierende Bremsleistung durch eine zusätzlich vorhandene Motorbremse minimiert werden. Der rechnerische Nachweis der Sicherheit des Kranes gegen Umkippen erfolgt auch unter Berücksichtigung der vorgenannten Daten und Werte.According to existing directives and standards (for example DIN 15 019, Part 1), cranes operating outdoors must be taken out of operation above a certain wind speed and secured against the drifting and lifting of the crane runway by the wind. The wind speed for decommissioning depends on the design of the crane. Various holding devices for cranes are known; Rail grabs are predominantly used (see for example DD 285 747). Also used are drag shoes, mechanical locks and rail brakes. When using rail brakes, the brake power to be installed is determined taking into account the rolling resistance of the rail chassis, the effective wind attack surface of the impacted crane, its shape coefficients and the back pressure. The shape coefficients and the dynamic pressure are determined using a reference wind speed depending on the location of the crane. Also, the braking power to be installed can be minimized by an additional existing engine brake. The mathematical proof of the safety of the crane against tipping also takes place taking into account the aforementioned data and values.
Außerdem ist aus der deutschen Patentanmeldung DE 199 13 980 A1 bereits eine Kranverbindung für mindestens zwei hohe Krane in Hafenanlagen bekannt. Diese Kranverbindung umfasst mindestens ein Koppelstück an jedem Kran, über das die Krane miteinander verbindbar sind, um eine hohe Stabilität gegen ein Umkippen bei Wind zu erreichen. Diese Art der Kranverbindung soll den Vorteil haben, Zentralballaste sowie Abspannseile an den Kranen einzusparen. Hierbei sind die Krane als Portalkrane ausgebildet, die über Fahrwerke auf Scheinen verfahrbar sind. Die Koppelstücke sind als Bolzenverbindungen mit entsprechenden an den Kranen angeordneten Laschen ausgebildet. Vorzugsweise sind die Koppelstücke automatisch miteinander verbindbar. Als Einbauorte für die Koppelstücke sind unten im Bereich der Fahrwerke am Portal und/oder oben am Kran angegeben.In addition, German Patent Application DE 199 13 980 A1 already discloses a crane connection for at least two high cranes in port facilities. This crane connection comprises at least one coupling piece on each crane, via which the cranes can be connected to one another in order to achieve high stability against tipping over in the wind. This type of crane connection should have the advantage of saving central ballasts and guy ropes on the cranes. Here, the cranes are designed as gantry cranes, which are movable on bills on bills. The Coupling pieces are designed as bolt connections with corresponding lugs arranged on the cranes. Preferably, the coupling pieces are automatically connected to each other. The installation locations for the coupling pieces are indicated below in the area of the landing gear on the portal and / or on the top of the crane.
Die Aufgabe der vorliegenden Erfindung besteht darin, eine Sturmsicherung für Krane, insbesondere für schienengebundene und gebremste Portalkrane, so zu verbessern, dass für einen wegen hoher Windgeschwindigkeiten außer Betrieb gesetzten Kran eine höhere Sicherheit gegen Abtreiben und Abheben durch den Wind erreicht wird.The object of the present invention is to improve a storm protection for cranes, especially for rail-mounted and braked gantry cranes, so that for a set because of high wind speeds out of service crane higher security against abortion and take-off by the wind is achieved.
Diese Aufgabe wird durch eine Sturmsicherung für mindestens zwei im Freien auf einer gemeinsamen Kranfahrbahn verfahrbare Krane, insbesondere schienengängige Portalkrane, mit den Merkmalen des Anspruches 1 gelöst. Vorteilhafte Ausgestaltun- gen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a storm protection for at least two cranes that can be moved outdoors on a common crane track, in particular rail-mounted gantry cranes, with the features of claim 1. Advantageous embodiments of the invention are specified in the subclaims.
Erfindungsgemäß wird bei einer Sturmsicherung für mindestens zwei im Freien auf einer gemeinsamen Kranfahrbahn über Fahrwerke verfahrbare Krane, insbesondere schienengängige Portalkrane, mit an beziehungsweise im Bereich der Kranfahrbahn angreifenden Halteeinrichtungen zum Verhindern des Abtreibens und Abhebens der Krane beim Überschreiten bestimmter Windgeschwindigkeiten, wobei mindestens zwei benachbarte Krane im Bereich der Fahrwerke miteinander koppelbar sind, eine verbesserte Sturmsicherung dadurch erreicht, dass oberhalb der Koppelung an den mindestens zwei benachbarten Kranen Anstoßelemente angeordnet sind, die im miteinander gekoppelten Zustand der mindestens zwei benachbarten Krane aneinander anliegen.According to the invention, in a storm protection for at least two cranes movable in the open on a common crane track on bogies, especially rail-mounted gantry cranes with holding devices acting on or in the area of the crane track to prevent the jacking off and lifting of the cranes when certain wind speeds are exceeded, at least two adjacent cranes In the field of trolleys are coupled with each other, an improved storm protection achieved in that above the coupling to the at least two adjacent cranks abutting elements are arranged, which abut each other in the coupled state of at least two adjacent cranes.
Durch das Koppeln zweier benachbarter Krane steht für die Sicherung gegen Abtreiben des Kranes durch Wind im ausgeschalteten Betriebszustand die installierte Bremsleistung dieser zwei oder gegebenenfalls weiterer gekoppelter Krane zur Verfügung. Das gleiche gilt auch für das Abheben der Krane durch Windkraft, der das doppelte Gewicht der miteinander gekoppelten Krane entgegengesetzt wird.By coupling two adjacent cranes is available for securing against driving off the crane by wind in the off mode, the installed braking power of these two or possibly other coupled cranes available. The same applies to the lifting of the cranes by wind power, which is opposite the double weight of the coupled cranes.
Zusätzlich zu der mechanischen Koppelung der benachbarten Krane im Bereich der Fahrwerke ist erfindungsgemäß vorgesehen, dass die miteinander gekoppelten Krane oberhalb der Koppelung über Anstoßelemente aneinander anliegen. Durch diese Kombination der oberen Anstoßelemente, die ausschließlich zur Übertragung von Druckkräften vorgesehen sind, und der unteren mechanischen Koppelung wird eine optimale Sturmsicherung der Krane erreicht, da die an die Krane angreifenden Windkräfte über die Anstoßelemente in beide Krane, insbesondere in deren Portale, geleitet werden, und somit von den Fahrwerken beider Krane aufgefangen und abgestützt werden. Hierbei ist dann auch wichtig, dass über die gleichzeitige mechanische Verriegelung im Bereich der Fahrwerke ein Auseinander Treiben der Krane im Bereich der Fahrwerke entgegengewirkt wird. Außerdem ist in Bezug auf die Anstoßelemente nicht notwendig, für eine Ver- beziehungsweise Entriegelung zu sorgen, was die Handhabung erleichtert.In addition to the mechanical coupling of the adjacent cranes in the area of the trolleys, it is provided according to the invention that the cranes coupled to one another abut each other above the coupling via abutment elements. By this combination of the upper abutment elements, which are provided exclusively for the transmission of compressive forces, and the lower mechanical coupling optimal storm protection of the cranes is achieved, since the wind forces acting on the cranes are passed over the abutment elements in both cranes, especially in their portals , and thus be collected and supported by the chassis of both cranes. It is then important that a simultaneous drifting of the cranes in the area of the chassis is counteracted by the simultaneous mechanical locking in the chassis. In addition, with respect to the abutment elements, it is not necessary to provide locking or unlocking, which facilitates handling.
Eine Optimierung der Sturmsicherung, insbesondere der Leitung der Windkräfte in die Fahrwerke, wird dadurch erreicht, dass die Anstoßelemente im oberen Bereich jedes Kranes, bei Portalkranen vorzugsweise im Bereich der oberen Brückenträger, angeordnet sind.An optimization of the storm protection, in particular the management of wind forces in the trolleys, is achieved in that the abutment elements in the upper region of each crane, with gantry cranes preferably in the region of the upper bridge girders, are arranged.
Konstruktiv besonders vorteilhaft ist, dass die Anstoßelemente pufferartig mit Stirnflächen ausgebildet sind, die im miteinander gekoppelten Zustand der mindestens zwei benachbarten Krane zur Aufnahme und Weiterleitung von Druckkräften aneinander anliegen.It is structurally particularly advantageous that the abutment elements are formed in a buffer-like manner with end faces which rest against one another in the mutually coupled state of the at least two adjacent cranes for receiving and passing on compressive forces.
Besonders günstige Verhältnisse ergeben sich, wenn nach einem Merkmal der Erfindung in der gesicherten Parkposition der vom Wind unmittelbar angeströmte Kran den oder die weiteren mit ihm gekoppelten Krane mindestens teilweise abdeckt. Wenn also die Anordnung der Krane auf der gemeinsamen Kranfahrbahn zueinander in der Parkposition so gewählt ist, dass mindestens ein Kran oder große Bereiche eines oder mehrerer weiterer Krane im Windschatten des zuerst vom Wind angeströmten Kranes steht beziehungsweise stehen, reduziert sich die in die Berechnung der zu installierenden Bremsleistung eingehende effektive Windangriffsfläche, so dass sich die wirksamen Leistungen der Schienenbremsen der beteiligten Krane verbessern.Particularly favorable conditions arise when, according to a feature of the invention in the secured parking position of the directly flowed by the wind crane or the other coupled with him cranes at least partially covers. Thus, if the arrangement of the cranes on the common crane lane to each other in the parking position is selected so that at least one crane or large areas of one or more other cranes is in the lee of the crane first streamed by the wind or stand, which reduces in the calculation of installed braking power incoming effective wind attack surface, so that improve the effective performance of the rail brakes of the involved cranes.
Erfindungsgemäß werden als Halteeinrichtungen Schienenbremsen oder andere bekannte Hilfsmittel wie Hemmschuhe, mechanische Verriegelungen, Schienenzan- gen oder dergleichen verwendet, mit denen bisher auch einzelne Krane auf der Kranfahrbahn beziehungsweise an der Schiene gesichert wurden.According to the invention are as brakes rail brakes or other known aids such as drag shoes, mechanical interlocks, Schienenzan- gene or the like used with which so far individual cranes were secured on the crane track or on the rail.
Nach einem weiteren Merkmal der Erfindung wird vorgeschlagen, dass zum Koppeln der mindestens zwei unmittelbar nebeneinander, vorzugsweise auf Anstoß, gefahrenen Krane ein Koppelglied vorgesehen ist, mit dem die benachbarten Krane formschlüssig verbindbar sind. Im Fall eines drohenden Sturmes oder Windgeschwindigkeiten, die den Kranbetrieb nicht mehr zulassen, werden mindestens zwei der benachbarten, auf der gemeinsamen Kranfahrbahn verfahrbaren Krane so dicht nebeneinander oder auf Anstoß gegeneinander gefahren, dass beide Krane mit einem Koppelglied formschlüssig verbunden werden können. Dieses Koppelglied kann, sobald die Sturmgefahr vorbei ist, leicht wieder entfernt werden, verbindet aber die beiden oder gegebenenfalls mit weiteren Koppelgliedern mehrere benachbarte Krane als Sturmsicherung miteinander. Im Bereich der Anstoßelemente haben die Krane dann auch Kontakt.According to a further feature of the invention, it is proposed that a coupling member is provided for coupling the at least two immediately adjacent to each other, preferably on impact, driven, with which the adjacent cranes are positively connected. In the case of an impending storm or wind speeds that no longer permit crane operation, at least two of the adjacent, movable on the common crane track cranes are driven so close to each other or on impact against each other that both cranes can be positively connected to a coupling member. This coupling member, as soon as the danger of storms is over, can be easily removed again, but connects the two or, if appropriate, with further coupling members, several adjacent cranes as storm protection with one another. The cranes then also have contact in the area of the impact elements.
In einer günstigen Ausgestaltung der Erfindung ist vorgesehen, dass jedes Koppelglied zwei Koppelstücke miteinander verbindet, die zur Aufnahme von wirkenden Zug- und Druckkräften zwischen den benachbarten Kranen jeweils im Bereich des Fahrwerkes an jedem Kran befestigt sind. Die Koppelung durch die Zug- und Druckverbindung ist also in günstiger Weise in Bodennähe vorgesehen, wo im Fahrwerksbereich eine besonders effektive Koppelung der Krane erreicht wird. Außerdem sind die Koppelstücke identisch ausgebildet, so dass eine Fertigung vereinfacht wird und die Koppelung der Krane erleichtert wird, da die Koppelstücke immer zueinander passen.In a favorable embodiment of the invention it is provided that each coupling link connects two coupling pieces with each other, which are fastened to accommodate acting tensile and compressive forces between the adjacent cranes each in the area of the chassis on each crane. The coupling through the tension and compression connection is thus provided in a favorable manner near the ground, where in the chassis area a particularly effective coupling of the cranes is achieved. In addition, the coupling pieces are identical, so that a production is simplified and the coupling of the cranes is facilitated because the coupling pieces always match each other.
Vorzugsweise ist je ein Koppelstück im Wesentlichen horizontal und parallel zur Kranfahrbahn so auskragend am Fahrwerk jedes Kranes befestigt, dass die sich einander gegenüberliegenden freien Enden beider Koppelstücke formschlüssig lösbar miteinander verbinden lassen.Preferably, each coupling piece is substantially horizontally and parallel to the crane track so cantilever mounted on the chassis of each crane that can be positively releasably connect to each other opposite free ends of the two coupling pieces.
Diese Koppelstücke können selbst die äußeren Enden der Krane bilden, was sinnvoll ist, wenn nach einem anderen Merkmal der Erfindung vorgesehen ist, dass dasThese coupling pieces can even form the outer ends of the cranes, which is useful when it is provided according to another feature of the invention that the
Koppelglied an den Koppelstücken ausgebildete, entsprechend gestaltete Anlageflä- chen umklammert und dadurch die stirnseitig gegeneinander stoßenden Koppelstücke fixiert.Coupling member formed on the coupling pieces, correspondingly shaped bearing surfaces um clasped and thereby the front side against each other abutting coupling pieces fixed.
In einer sehr einfachen Ausführung ist das Koppelglied doppel-T-förmig gestaltet, wobei der Steg in Ausnehmungen in den sich gegenüberliegenden Stirnseiten der Koppelstücke so einlegbar ist, dass die Innenseiten der Flansche des Koppelgliedes entsprechende Anlageflächen an den wandartigen Koppelstücken hinter greifen. Derartig ausgebildete Koppelglieder lassen sich sehr einfach handhaben, sind leicht einzulegen und ebenso leicht wieder zu entfernen.In a very simple embodiment, the coupling member is designed double-T-shaped, wherein the web is inserted into recesses in the opposite end faces of the coupling pieces so that the inner sides of the flanges of the coupling member engage corresponding contact surfaces on the wall-like coupling pieces behind. Such trained coupling links are very easy to handle, are easy to insert and just as easy to remove again.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfolgend beschrieben. Es zeigen:An embodiment of the invention is illustrated in the drawing and will be described below. Show it:
Figur 1 eine perspektivische Ansicht zweier erfindungsgemäß miteinander gekoppelter Portalkrane,FIG. 1 shows a perspective view of two gantry cranes coupled to one another according to the invention,
Figur 2 eine vergrößerte Detailansicht von Figur 1 aus dem Bereich der miteinander gekoppelten Fahrwerke der Portalkrane undFigure 2 is an enlarged detail view of Figure 1 from the range of interconnected trolleys of gantry cranes and
Figur 3 eine vergrößerte Detailansicht von Figur 1 aus dem Bereich der aneinander anstoßenden Portalstützen der Portalkrane.Figure 3 is an enlarged detail view of Figure 1 from the range of abutting portal supports the gantry cranes.
Die Figur 1 zeigt eine perspektivische Ansicht zweier erfindungsgemäß zur Sturmsicherung in einer Parkposition miteinander gekoppelter und als Portalkrane ausgebildeter Krane 2a und 2b, die auf einer gemeinsamen Kranfahrbahn 1 verfahrbar sind. Jeder der beiden Krane 2a, 2b ist konventionell aufgebaut und besteht im Wesentlichen aus den vier vertikalen Portalstützen 3a, 3b, deren obere Enden über quer zur Fahrtrichtung F der Krane 2a und 2b verlaufende Brückenträger 9a, 9b zur Bildung des Portals verbunden sind. Auf jedem der Brückenträger 9a, 9b ist eine Laufkatze 12a, 12b mit den daran angeordneten Hubeinrichtungen entlang der Brückenträger 9a, 9b verfahrbar. Die unteren Enden der Portalstützen 3a, 3b stützen sich jeweils auf einem Fahrwerk 6 ab, die auf Schienen 1a, 1b einer Kranfahrbahn 1 abrollen. Die Schienen 1a, 1b verlaufen hierbei parallel und in Abstand zueinander.1 shows a perspective view of two according to the invention for storm protection in a parking position coupled together and designed as a gantry cranes 2a and 2b, which are movable on a common crane track 1. Each of the two cranes 2a, 2b is conventionally constructed and consists essentially of the four vertical gantry supports 3a, 3b, the upper ends of which are connected transversely to the direction of travel F of the cranes 2a and 2b bridge girders 9a, 9b to form the portal. On each of the bridge girders 9a, 9b, a trolley 12a, 12b with the lifting devices arranged thereon can be moved along the bridge girders 9a, 9b. The lower ends of the gantry supports 3a, 3b are each supported on a chassis 6, which roll on rails 1a, 1b of a crane track 1. The rails 1a, 1b in this case run parallel and at a distance from each other.
Außerdem weisen die Fahrwerke 6 jeweils mehrere auf den Schienen 1a, 1b verfahrbare Räder 13 auf, die je Fahrwerk 6 in Fahrtrichtung F gesehen hintereinan- der angeordnet sind. Das untere Ende der jeweiligen vertikalen Portalstützen 3a, 3b stützt sich etwa mittig auf dem Fahrwerk 6 ab, so dass das Fahrwerk 6 in Fahrtrichtung F gesehen nach vorne beziehungsweise hinten über die Portalstütze 3a, 3b hinausragt und somit ein vorderes Ende 14v und ein hinteres Ende 14h in Bezug auf den jeweiligen Kran 2a, 2b bilden.In addition, the trolleys 6 each have a plurality of wheels 13 which can be moved on the rails 1a, 1b and which, viewed in the direction of travel F, are arranged one behind the other per chassis 6. which are arranged. The lower end of the respective vertical gantry supports 3a, 3b is supported approximately centrally on the chassis 6, so that the chassis 6 seen in the direction of travel F projects forward or rearward over the gantry support 3a, 3b and thus a front end 14v and a rear end 14h with respect to the respective crane 2a, 2b form.
Auch zeigt die Figur 1 die Parkposition der beiden Krane 2a, 2b, die diese eingenommen haben, wenn aufgrund hoher Windgeschwindigkeiten der Betrieb der Krane 2a, 2b aus Sicherheitsgründen eingestellt werden musste. In der Parkposition sind die Krane 2a und 2b in Fahrtrichtung F gesehen so dicht hintereinander gefahren, dass die beiden Krane 2a und 2b im Bereich ihrer Fahrwerke 6 mit ihren jeweiligen vorderen und hinteren Enden 14v, 14h aneinander liegen. Die je Schiene 1a, 1b so aneinander anstoßenden Fahrwerke 6 und somit die Krane 2a und 2b sind zusätzlich im Bereich ihrer vorderen und hinteren Enden 14v, 14h mit Hilfe eines Koppelgliedes 4, das später im Zusammenhang mit der Figur 2 noch näher beschrieben wird, mechanisch miteinander verbunden.Also, Figure 1 shows the parking position of the two cranes 2a, 2b, which have taken these when due to high wind speeds, the operation of the cranes 2a, 2b had to be set for safety reasons. In the parking position, the cranes 2a and 2b seen in the direction of travel F drove so close behind each other that the two cranes 2a and 2b in the area of their trolleys 6 with their respective front and rear ends 14v, 14h abut each other. The per rail 1a, 1b so abutting trolleys 6 and thus the cranes 2a and 2b are additionally in the region of their front and rear ends 14v, 14h by means of a coupling member 4, which will be described later in connection with Figure 2 in more detail, mechanically connected with each other.
Zusätzlich liegen in der Parkposition die gegenüberliegenden Portalstützen 3a, 3b im Bereich ihrer oberen Enden benachbart zu den Brückenträgern 9a, 9b aneinander an. Da wie zuvor beschrieben die Fahrwerke 6 unter Bildung des vorderen und hinteren Endes 14v, 14h gegenüber den Portalstützen 3a, 3b in Fahrtrichtung F gesehen nach vorne beziehungsweise hinten hinausragen, sind an den Portalstützen 3a, 3b pufferartige Anstoßelemente 10a, 10b vorgesehen. In der Parkposition berühren sich die freien Enden der jeweilige Anstoßelemente 10a, 10b, miteinander verriegelt werden diese jedoch nicht. Die Anstoßelemente 10a, 10b sind einfach als Rohrabschnitte ausgebildet, die sich seitlich, waagerecht und in Fahrtrichtung F von den Portalstützen 3a, 3b erstrecken und deren freies Ende jeweils zur Bildung einer Stirnfläche 11 (siehe Figur 3) verschlossen ist.In addition, in the parking position, the opposing portal supports 3a, 3b adjoin one another in the region of their upper ends adjacent to the bridge girders 9a, 9b. Since, as described above, the undercarriages 6 protrude forwards and rearwards as viewed in the direction of travel F, forming the front and rear ends 14v, 14h with respect to the gantry supports 3a, 3b, buffer-like abutment elements 10a, 10b are provided on the gantry supports 3a, 3b. In the park position, the free ends of the respective abutment elements 10a, 10b touch, but they are not locked together. The abutment elements 10a, 10b are simply formed as pipe sections which extend laterally, horizontally and in the direction of travel F from the portal supports 3a, 3b and whose free end is closed in each case to form an end face 11 (see FIG. 3).
Neben der mechanischen Verbindung der Fahrwerke 6 über das Koppelglied 4 in der Parkposition werden gleichzeitig die Halteeinrichtungen beider Krane in Funktion gebracht, etwa durch Aktivieren der nicht dargestellten Schienenbremsen jedes Kranes 2a, 2b.In addition to the mechanical connection of the trolleys 6 via the coupling member 4 in the parking position, the holding devices of both cranes are brought into operation at the same time, for example by activating the rail brakes of each crane 2a, 2b, not shown.
In der Figur 2 ist eine vergrößerte Detailansicht der Einzelheit X von Figur 1 dargestellt, die den Bereich der miteinander gekoppelten Fahrwerke 6 der Krane 2a, 2b in ihrer Parkposition zeigt. Dazu ist an jedem Fahrwerk 6 ein Koppelstück 5a beziehungsweise ein Koppelstück 5b fest angeordnet, welche entweder das vordere beziehungsweise das hintere Ende 14v, 14h des jeweiligen Krans 2a, 2b bilden. Die Koppelstücke 5a, 5b sind jeweils als u-förmige Stahlprofile ausgebildet, die parallel zur Kranfahrbahn 1 in Richtung des benachbarten Krans 2a beziehungsweise 2b über die Räder 13 des Fahrwerks 6 auskragen. Zur Ausbildung einer Anlagefläche sind die auf einander zuweisenden Enden 14v, 14h der u-förmigen Koppelstücke 5a, 5b jeweils mit einer Stirnwand 7a, 7b verschlossen. In der dargestellten Parkposition der Krane 2a, 2b liegen die frei auskragenden Enden 14v, 14h der Koppelstücke 5a, 5b im Wesentlichen mit ihren Stirnwänden 7a, 7b aneinander an, so dass zwischen den Kranen 2a und 2b wirkende Druckkräfte über der Koppelstücke 5a, 5b zwischen den Kranen 2a und 2b übertragen werden können.FIG. 2 is an enlarged detail view of the detail X of FIG. 1 shown, which shows the area of the coupled chassis 6 of the cranes 2a, 2b in their parking position. For this purpose, a coupling piece 5a or a coupling piece 5b is fixedly arranged on each chassis 6, which form either the front or the rear end 14v, 14h of the respective crane 2a, 2b. The coupling pieces 5a, 5b are each formed as U-shaped steel profiles which protrude parallel to the crane track 1 in the direction of the adjacent crane 2a and 2b via the wheels 13 of the chassis 6. To form a contact surface, the mutually facing ends 14v, 14h of the U-shaped coupling pieces 5a, 5b are respectively closed with an end wall 7a, 7b. In the illustrated parking position of the cranes 2a, 2b, the cantilevered ends 14v, 14h of the coupling pieces 5a, 5b abut each other substantially with their end walls 7a, 7b, so that between the cranks 2a and 2b acting compressive forces on the coupling pieces 5a, 5b between can be transmitted to the cranes 2a and 2b.
Um gleichzeitig auch Zugkräfte zwischen den Kranen 2a und 2b übertragen zu können, ist neben den aneinander anliegenden Koppelstücken 5a und 5b jeweils auch ein Koppelglied 4 vorgesehen, das die Koppelstücke 5a und 5b zusammenklammert und in Anlage hält. Das Koppelglied 4 ist - wie in Figur 2 erkennbar - doppel-T-förmig aus einem Stahlblech geformt und wird mit seinem Steg 4a in eine korrespondierende Ausnehmung in den beiden Koppelstücken 5a und 5b eingelegt. Diese nach oben offene Ausnehmung ist in einer jeweils das Koppelstück 5a, 5b abschließenden Stirnwand 7a, 7b vorgesehen, die auf der der Anlagefläche abgewandten Seite gleichzeitig je eine Anlagefläche 8a, 8b für die Innenseiten der Flansche des doppel-T-förmigen Koppelgliedes 4 bildet, wenn diese Flansche die Stirnwände 7a und 7b der Koppelstücke 4 hinter greifen. Auf diese Weise werden die beiden Krane 2a und 2b formschlüssig miteinander verbunden und bieten dadurch eine deutlich höhere Sicherheit gegen Wind und Sturm, als herkömmliche Sturmsicherungen einzeln gesicherter Krane.In order to be able to transmit tensile forces between the cranes 2a and 2b at the same time, a coupling element 4 is provided in addition to the adjoining coupling pieces 5a and 5b, which clamps the coupling pieces 5a and 5b together and holds them in abutment. The coupling member 4 is - as seen in Figure 2 - double-T-shaped from a steel sheet and is inserted with its web 4a in a corresponding recess in the two coupling pieces 5a and 5b. This upwardly open recess is provided in a respective end of the coupling piece 5a, 5b end wall 7a, 7b, which forms on the side facing away from the contact surface simultaneously each a contact surface 8a, 8b for the inner sides of the flanges of the double-T-shaped coupling member 4, when these flanges grip the end walls 7a and 7b of the coupling pieces 4 behind. In this way, the two cranes 2a and 2b are positively connected with each other and thus offer a much higher security against wind and storm than conventional storm fences individually secured cranes.
Besonders günstige Verhältnisse treten dann ein, wenn der zweite Kran 2b im Wesentlichen im Windschatten des ersten Krans 2a steht, was der Fall ist, wenn der Wind aus einer Richtung W parallel zur Fahrtrichtung F weht. Dann wirken auf den zweiten Kran 2b geringere Windkräfte, so dass dieser über die Koppelung mit dem ersten Kran 2a einen Teil der für den direkt angeströmten Kran 2a erforderlichen Bremsleistung übernehmen kann. Die Figur 3 zeigt eine vergrößerte Detailansicht der Einzelheit Y von Figur 1 , die den Bereich der in der Parkposition aneinander anliegenden Anstoßelemente 1Oa1 10b der Krane 2a, 2b betrifft. Diese sind vorgesehen, um die Krane 2a, 2b bei hohen Windgeschwindigkeiten gegen Umkippen zu sichern. Die freien Enden der Anstoßelemente 10a, 10b liegen mit ihren einander zugewandten Stirnflächen 11 aneinander an, sobald auch die Koppelstücke 5a und 5b der Fahrwerke 6 stimseitig aneinander liegen. Dadurch stützen sich die Krane 2a, 2b auch im oberen Bereich gegeneinander ab und erhöhen dadurch das Standmoment der Krane 2a, 2b bei Wind und Sturm deutlich. Die freien Enden der Anstoßelemente 10a, 10b sind nicht miteinander verriegelt. Particularly favorable conditions occur when the second crane 2b is substantially in the slipstream of the first crane 2a, which is the case when the wind blows from a direction W parallel to the direction of travel F. Then act on the second crane 2b lower wind forces, so that this can take over the coupling with the first crane 2a part of the required for the directly flowed crane 2a braking power. 3 shows an enlarged detail view of the detail Y of Figure 1, the area of each other in the parked position adjacent abutment members 1oa 1 10b of the cranes 2a, 2b concerned. These are provided to secure the cranes 2a, 2b at high wind speeds against tipping over. The free ends of the abutment elements 10a, 10b abut each other with their mutually facing end faces 11, as soon as the coupling pieces 5a and 5b of the trolleys 6 are in contact with each other. As a result, the cranes 2 a, 2 b are also supported against one another in the upper area, thereby significantly increasing the standing moment of the cranes 2 a, 2 b in wind and storm. The free ends of the abutment elements 10a, 10b are not locked together.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Kranfahrbahn1 crane lane
1a Schiene1a rail
1b Schiene1b rail
2a erster Kran2a first crane
2b zweiter Kran2b second crane
3a Portalstütze3a gantry support
3b Portalstütze3b gantry support
4 Koppelglied4 coupling member
4a Steg4a bridge
5a Koppelstück5a coupling piece
5b Koppelstück5b coupling piece
6 Fahrwerk6 landing gear
7a Stirnwand7a end wall
7b Stirnwand7b end wall
8a Anlagefläche8a contact surface
8b Anlagefläche8b contact surface
9a Brückenträger9a bridge girder
9b Brückenträger9b bridge girder
10a Anstoßelemente10a impact elements
10b Anstoßelemente10b impact elements
11 Stirnseite11 front side
12a Laufkatze12a trolley
12b Laufkatze12b trolley
13 Räder13 wheels
14v vorderes Ende14v front end
14h hinteres Ende14h rear end
F FahrtrichtungF direction of travel
W WindrichtungW wind direction
X AusschnittsvergrößerungX Detail magnification
Y Ausschnittsvergrößerung Y cut-out enlargement

Claims

Ansprüche claims
1. Sturmsicherung für mindestens zwei im Freien auf einer gemeinsamen Kranfahrbahn (1) über Fahrwerke (6) verfahrbare Krane (2a, 2b), insbesondere schienengängige Portalkrane, mit an beziehungsweise im Bereich der Kranfahrbahn (1) angreifenden Halteeinrichtungen zum Verhindern des Abtreibens und Abhebens der Krane (2a, 2b) beim Überschreiten bestimmter Windgeschwindigkeiten, wobei mindestens zwei benachbarte Krane (2a, 2b) im Bereich der Fahrwerke (6) miteinander koppelbar sind, dadurch gekennzeichnet, dass oberhalb der Koppelung an den mindestens zwei benachbarten Kranen (2a, 2b) Anstoßelemente (10a, 10b) angeordnet sind, die im miteinander gekoppelten Zustand der mindestens zwei benachbarten Krane (2a, 2b) aneinander anliegen.1. storm protection for at least two outdoor on a common crane track (1) on bogies (6) movable cranes (2 a, 2 b), in particular rail-gantry cranes, with on or in the area of the crane track (1) attacking holding devices to prevent aborting and lifting the cranes (2a, 2b) when exceeding certain wind speeds, wherein at least two adjacent cranes (2a, 2b) in the region of the chassis (6) are coupled to each other, characterized in that above the coupling to the at least two adjacent cranes (2a, 2b ) Abutment elements (10a, 10b) are arranged, which rest in the coupled state of the at least two adjacent cranes (2a, 2b) to each other.
2. Sturmsicherung nach Anspruch 1 , dadurch gekennzeichnet, dass die Anstoßele- mente (10a, 10b) im oberen Bereich jedes Kranes (2a, 2b), bei Portalkranen vorzugsweise im Bereich der oberen Brückenträger (9a, 9b), angeordnet sind.2. storm protection according to claim 1, characterized in that the Anstoßele- elements (10a, 10b) in the upper region of each crane (2a, 2b), in gantry cranes preferably in the region of the upper bridge girder (9a, 9b) are arranged.
3. Sturmsicherung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Anstoßelemente (10a, 10b) pufferartig mit Stirnflächen ausgebildet sind, die im miteinander gekoppelten Zustand der mindestens zwei benachbarten Krane (2a, 2b) zur Aufnahme von Druckkräften aneinander anliegen.3. storm protection according to claim 1 or 2, characterized in that the abutment elements (10a, 10b) are formed in a buffer-like manner with end faces which abut each other in the mutually coupled state of at least two adjacent cranes (2a, 2b) for receiving compressive forces.
4. Sturmsicherung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass in der Parkposition der vom Wind ummittelbar angeströmte Kran (2a) den oder die weiteren mit ihm gekoppelten Krane (2b) mindestens teilweise abdeckt.4. Storm protection according to one of claims 1 to 3, characterized in that in the parking position of the wind directly flowed by the crane (2a) or the other coupled with him cranes (2b) at least partially covers.
5. Sturmsicherung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Halteeinrichtungen Schienenbremsen oder auch andere Hilfsmittel wie Hemmschuhe, mechanische Verriegelungen, Schienenzangen sind.5. storm protection according to one of claims 1 to 4, characterized in that the holding devices rail brakes or other aids such as shoes, mechanical locks, rail tongs.
6. Sturmsicherung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass zum Koppeln der mindestens zwei unmittelbar nebeneinander, vorzugsweise auf Anstoß, gefahrenen Krane (2a, 2b) ein Koppelglied (4) vorgesehen ist, mit dem die benachbarten Krane (2a, 2b) formschlüssig verbindbar sind. 6. Storm protection according to one of claims 1 to 5, characterized in that for coupling the at least two immediately adjacent, preferably on impact, driven cranes (2 a, 2 b), a coupling member (4) is provided, with which the adjacent cranes (2 a, 2b) are positively connected.
7. Sturmsicherung nach Anspruch 6, dadurch gekennzeichnet, dass jedes Koppelglied (4) zwei Koppelstücke (5a, 5b) miteinander verbindet, die zur Aufnahme von wirkenden Zug- und Druckkräften zwischen den benachbarten Kranen (2a, 2b) jeweils im Bereich des Fahrwerkes (6) an jedem Kran (2a, 2b) befestigt sind.7. Storm protection according to claim 6, characterized in that each coupling member (4) two coupling pieces (5a, 5b) interconnects, for receiving acting tensile and compressive forces between the adjacent cranes (2a, 2b) respectively in the region of the chassis ( 6) are attached to each crane (2a, 2b).
8. Sturmsicherung nach Anspruch 7, dadurch gekennzeichnet, dass je ein Koppelstück (5a, 5b) horizontal und parallel zur Kranfahrbahn (1) auskragend am Fahrwerk (6) jedes Kranes (2a und 2b) befestigt ist und die sich gegenüberliegenden freien Enden beider Koppelstücke (5a, 5b) durch das Koppelglied (4) formschlüssig lösbar miteinander verbindbar sind.8. storm protection according to claim 7, characterized in that each one coupling piece (5a, 5b) horizontally and parallel to the crane track (1) cantilevered on the chassis (6) of each crane (2a and 2b) is attached and the opposite free ends of both coupling pieces (5a, 5b) by the coupling member (4) are positively releasable connected to each other.
9. Sturmsicherung nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass das Koppelglied (4) an den Koppelstücken (5a, 5b) ausgebildete Anlageflächen (8a, 8b) umklammert und dadurch die stirnseitig gegeneinander anstoßenden Koppelstü- cke (5a, 5b) fixiert.9. Storm protection according to one of claims 6 to 8, characterized in that the coupling member (4) on the coupling pieces (5a, 5b) formed contact surfaces (8a, 8b) clasped and thereby the frontally abutting Koppelstü- bridge (5a, 5b) fixed.
10. Sturmsicherung nach Anspruch 9, dadurch gekennzeichnet, dass das Koppelglied (4) doppel-T-förmig gestaltet ist, wobei der Steg (4a) in Ausnehmungen in den sich gegenüberliegenden Stirnwänden (7a, 7b) der Koppelstücke (5a, 5b) so einlegbar ist, dass die Innenseiten der Flansche des Koppelgliedes (4) Anlageflächen (8a, 8b) an den Koppelstücken (5a, 5b) hinter greifen. 10. storm protection according to claim 9, characterized in that the coupling member (4) is designed double-T-shaped, wherein the web (4a) in recesses in the opposite end walls (7a, 7b) of the coupling pieces (5a, 5b) so can be inserted, that the inner sides of the flanges of the coupling member (4) contact surfaces (8a, 8b) on the coupling pieces (5a, 5b) engage behind.
EP06706735A 2005-02-11 2006-02-08 Wind resisting crane securing Not-in-force EP1807338B1 (en)

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JP2008529926A (en) 2008-08-07
PT1807338E (en) 2010-10-20
KR20070100855A (en) 2007-10-12
WO2006084673A1 (en) 2006-08-17
EP1807338B1 (en) 2010-09-08
KR101207478B1 (en) 2012-12-03
US20090120890A1 (en) 2009-05-14
DE102005006206A1 (en) 2006-08-24
DE102005006206B4 (en) 2007-08-16
ES2349563T3 (en) 2011-01-05
JP4960263B2 (en) 2012-06-27
ATE480492T1 (en) 2010-09-15
DE502006007830D1 (en) 2010-10-21
US7549546B2 (en) 2009-06-23
DK1807338T3 (en) 2010-11-29

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